<!DOCTYPE html>
Tests paint invalidation when an object under composited scrolled container is
set 'display: relative'. Passes if no red residue. 
<div style="overflow: scroll; width: 200px; height: 200px">
  <div style="width: 600px; height: 600px; padding: 100px">
    <div id="item" style="background-color: green; width: 50px; height: 50px"></div>
  </div>
</div>
